745755722 has 8 divisors (see below), whose sum is σ = 1119947556. Its totient is φ = 372439872.

The previous prime is 745755713. The next prime is 745755737. The reversal of 745755722 is 227557547.

It can be written as a sum of positive squares in 2 ways, for example, as 467900161 + 277855561 = 21631^2 + 16669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216863 + ... + 220274.

Almost surely, 2^745755722 is an apocalyptic number.

745755722 is a deficient number, since it is larger than the sum of its proper divisors (374191834).

745755722 is a wasteful number, since it uses less digits than its factorization.

745755722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437992.

The product of its digits is 686000, while the sum is 44.

The square root of 745755722 is about 27308.5283748502. The cubic root of 745755722 is about 906.8431944041.

The spelling of 745755722 in words is "seven hundred forty-five million, seven hundred fifty-five thousand, seven hundred twenty-two".